Catalogue no.:	V-1113400
Taxon:	Potamogeton perfoliatus L.
Label:	Potamogeton perfoliatus
Family:	Potamogetonaceae
Collector:	G. Löfgren
Date:	1876 08
Country:	Sweden
Landskap:	Uppland
Socken:	Knivsta
Locality:	Säbysjön